Concerned over the dwindling sex ratio in the country, Union Minister of Health & Family Welfare Jagat Prakash Nadda has urged the State Governments to initiate urgent action required to prevent misuse of medical technology for sex selection leading to female foeticides.Nadda has written a letter to Chief Minister Naveen Patnaik in this regard, saying there are many parts in the country which continue to witness rising incidences of prenatal sex selection and consequent female foeticides.